cusp /ˈkʌsp/
 尖頭,尖端,尖頭


 cusp /ˈkəsp/ 名詞
 (拉cuspis)尖,尖突,齒尖


 CUSP
 常用系統程式


 Cusp, v. t. [imp. & p. p. Cusped p. pr. & vb. n. Cusping.] To furnish with a cusp or cusps.

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 Cusp n.
 1. Arch. A triangular protection from the intrados of an arch, or from an inner curve of tracery.
 2. Astrol. The beginning or first entrance of any house in the calculations of nativities, etc.
 3. Astron The point or horn of the crescent moon or other crescent-shaped luminary.
 4. Math. A multiple point of a curve at which two or more branches of the curve have a common tangent.
 5. Anat. A prominence or point, especially on the crown of a tooth.
 6. Bot. A sharp and rigid point.


 cusp
      n 1: point formed by two intersecting arcs (as from the intrados
           of a Gothic arch)
      2: a thin triangular flap of a heart valve [syn: leaflet]
      3: small elevation on the grinding surface of a tooth